Science M Step

When using a pulley and rope to lift a heavy box, you must pull with enough force to overcome the force of:

• magnetism

• gravity

• air friction

• electricity

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which example below shows what will happen to light when it strikes a mirror?

• A

• B

• C

• D

Tags

NGSS.MS-PS4-2

The picture below demonstrates what happens to light when it passes through water in a glass. This is an example of:

• light scattering

• reflection

• light absorption

• refraction

Tags

NGSS.MS-PS4-2

• The Sagebrush will decrease.

• The number of Frilled Lizards will decrease.

• The Sun will receive more energy.

• The number of Frilled Lizards will increase.

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NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

• wheat only

• hawk, wheat,

  and grasshopper

• snake only

• hawk and snake

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which of the following statements about ecosystems is true?

• A decrease in an organism’s population will

  affect another organism in an ecosystem.

• Plants provide all the energy in an ecosystem.

• Non-living elements in an ecosystem are not

  important.

• Not all ecosystems need oxygen.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which statement best explains what happens in step Y of the tomato plant life cycle?

• Fruit forms.

• The plant grows roots.

• The seed is

  planted.

• The seedling emerges.

Which of the following adds carbon to the atmosphere?

• building new highways

• burning wood

• building more factories

• all of the above

Tags

NGSS.MS-ESS3-4

A class learns about fossil fuels.  They learn that coal, oil and natural gas are classified as nonrenewable resources because they take so long to form.  How can the class conserve fossil fuels?

• Use both sides of notebook paper

• Arrange a car pool to and from school

• Create a backyard compost pile

• Plant flowers in front of the school

All of the following are true about fossil fuels EXCEPT:

• They are renewable resources.

• They are the remains of dead plants and animals.

• They were formed over a long period of time.

• They often contribute to pollution of the atmosphere.